| key specs |
| Strap Colour | Blue, Black | Black, Green, Pink |
| Display Size | 48mm | - |
| Strap Material | Silicone | Silicone |
| Compatible OS | - | Android, iOS |
| Dial Shape | - | Rectangle |
| general |
| Brand | Dizo | Amazfit |
| Model | Watch D2 | Bip U |
| Release date | February 3, 2023 | October 15, 2020 |
| Model Name | Watch D2 | Bip U |
| Dial Colour | Black | Black, Green, Pink |
| Strap Colour | Blue, Black | Black, Green, Pink |
| Strap Material | Silicone | Silicone |
| Size | Large | Regular |
| Dial Shape | - | Rectangle |
| Touchscreen | - | Yes |
| Interchangeable Strap | - | Yes |
| Water Resistant | - | 5 ATM |
| Water Resistance Depth | - | 50 metres |
| Dial Material | - | Polycarbonate |
| dimensions |
| Width | 25.59 cm | 35.5 |
| Height | 3.86 cm | 40.9 |
| Thickness | 1.21 cm | 11.4 |
| Weight (g) | 42.00 | 31.00 |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker | BioTracker 2 PPG Biological optical sensor, 6-axis acceleration sensor |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | - |
| Battery Life | 7 days | 9 days |
| Charge Time | 2.5 hours | 2 hours |
| Rechargeable Battery | Yes | - |
| Other Features | In-app GPS, mini-games, camera, music controls, find phone, weather forecast | - |
| Compatible Device | - | Android, iOS |
| Charger Type | - | 2 Pogo Pin Charger |
| connectivity features |
| Call Function | Yes | - |
| GPS | Yes | - |
| Call Features | Noise cancellation | - |
| Bluetooth | - | Yes |
| Bluetooth Version | - | 5.0 |
| Wi-Fi | - | Yes |
| camera and display features |
| Display Size | 48mm | - |
| Display Resolution | - | 320x302 |
| Other Display Features | - | Anti-Fingerprint Coating, 2.5D Corning Gorilla Glass 3 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Other Fitness Features | Gymnastics, dancing, taekwondo, horse riding, disc games, skipping ropes, hoverboards, menstrual tracking, drink water reminders | 60 sports modes |
| Other Watch Functions | Set an alarm, find phone, call and message notifications, | 24 hour heart rate monitoring, sleep quality monitoring, blood oxygen level sensor, menstrual cycle tracker |
| Compass | - | Yes |
| Alarm Clock | - | Yes |
| Language | - | English |
| Number of Buttons | - | 1 |
| platform and storage features |
| Operating System | - | RTOS |
| Compatible Operating System | - | Android, iOS |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Other Multimedia Features | - | show notifications, control music, set alarms, remote control the phone’s camera |